标签：play inline after display hid hidden clear amp lock
.clearfix
display: inline-block
&:after
display: block
content: "."
height: 0
line-height: 0
clear: both
visibility: hidden
标签：play inline after display hid hidden clear amp lock
原文地址：http://www.cnblogs.com/love-yangerlei/p/7670214.html
